new_list_of

internal

Defines new notions of prototype and size that are used to
provide tools for consistent and well-founded type-coercion and
size-recycling, and are in turn connected to ideas of type- and
size-stability useful for analysing function interfaces.

Davis Vaughan

vctrs

Vector Helpers

Hadley Wickham

Lionel Henry

data.table team 

Posit Software, PBC 

new_list_of function

<dl><dt>x</dt>
<dd>A list</dd>
<dt>ptype</dt>
<dd>The prototype which every element of <code>x</code> belongs to. If <code>NULL</code>,
the prototype is not specified.</dd>
<dt>size</dt>
<dd>The size which every element of <code>x</code> has. If <code>NULL</code>, the size is
not specified.</dd>
<dt>...</dt>
<dd>Additional attributes used by subclass</dd>
<dt>class</dt>
<dd>Optional subclass name</dd></dl>

Arguments

Create list_of subclass — new_list_of

<dl>

<dt>x</dt>
<dd>A list</dd>


<dt>ptype</dt>
<dd>The prototype which every element of <code>x</code> belongs to. If <code>NULL</code>,
the prototype is not specified.</dd>


<dt>size</dt>
<dd>The size which every element of <code>x</code> has. If <code>NULL</code>, the size is
not specified.</dd>


<dt>...</dt>
<dd>Additional attributes used by subclass</dd>


<dt>class</dt>
<dd>Optional subclass name</dd>

</dl>

Create list_of subclass

new_list_of: Create list_of subclass

Description

Usage

Arguments